Freelancer profile translated to English.

Description

Hello, I'm Basseydou! 👨‍💻

Passionate web developer with over 10 years of experience, I specialize in **Java, JavaScript, React**, and **Angular and Scala**. As a freelancer, I have collaborated with renowned companies such as BNP Paribas, AS24, Curious, ATOS, EDF, and TIBCO, successfully completing complex projects from conception to production.

I have also been a mentor/trainer/developer forJavascript, NodeJS, Reacton the OpenClassrooms platform since 2021, which is 3 years now.

My skills: 💻

**Java (Backend)**: Development of performant, secure, and scalable backend architectures. Expertise in **REST APIs**, **microservices**, and **CI/CD**.

*Kotlin and Groovy based on JVM Java, Scala, Scala sbt

**React**: Creation of dynamic and responsive user interfaces, offering a fluid and optimized experience, React Redux for state management.
**Angular**: Development of modular and maintainable web applications, NgRx for state management.
**DevOps**: Integration of best DevOps practices

Why work with me? 🤔

**Experience**: 10 years of successful projects, from backend development to creating modern frontend interfaces.
**Innovation**: Always at the forefront of new technologies, I bring optimized and innovative solutions.
**Flexibility**: Whether you are a startup or a large company, I adapt to your specific needs.
**Commitment**: Transparent communication and collaboration focused on your goals.

Ready to start your project? 😊

Immediately available, I am ready to support you in your **Full Stack, React, Angular**, and **Java, Javascript**, Kotlin, Groovy, and Scala projects.

Contact metoday to discuss your needs and discover how I can contribute to your success!

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Saint-Herblain (up to 50km), Paris (up to 50km)

ATOS
Expert / Tech Lead Angular React & Java
DIGITAL AND IT
April 2025 - June 2026 (1 year and 2 months)
Nantes, France
•Development of NeoREEX (mail forwarding platform) for national and international profiles.
•Leading Angular best practices, code reviews, and front-end performance.
•Management of complex tasks, estimation of the entire Neooreex workflow.
•Updating Angular documentation.
•Support for junior developers.
•Design of consultation descriptors to facilitate detailed consultation.
React redux Java REST APIs Kotlin Angular
Atos - Secteur Public
Angular Java Developer
PUBLIC SECTOR
November 2024 - March 2025 (4 months)
Context
Rent payment.
Project Exploc, from the Ministry of Ecological Transition, which manages the eviction of people in difficulty.
Missions
Migration of the existing AngularJS project toAngular 18 stable versionto benefit from the latest features like signals and input signals. Addition and integration of the latest version of Angular Material to improve the user interface and visual components.
Use of migration tools ngUpgrade, DownGrade and cohabitation of the 2 projects with deletion of the old one at the end of the migration.
Replace obsolete libraries with modern Angular equivalents.
Unit tests on the Angular and Java sides.
Complete refactoring of the backend, which was done in Java with very obsolete technologies like Dozer, Criteria, mapping issues, poor layer usage.
Hexagonal architecture, MVC Model, REST and SOAP APIs
Technical Environment
Java 8, Spring boot, JUnit, REST API, SOAP, AngularJS, Angular 18, Javascript, NodeJS, Spring security
Jenkins, Sonar, Git, Nexus, IntelliJ, Docker
Curious
Angular Java Developer
July 2024 - November 2024 (4 months)
Fullstack Java Angular Developer
Angular Expert
Context
Coerious is a citizen initiative in the social and solidarity economy (SSE) sector, specializing
in psychic well-being and intergenerational social relations. The project is based on the
Coeurious Method, an educational method encouraging regular introspection through three
principles: creativity, play, and questioning.
My role is to support the technical evolution of the project, particularly on the front-end with
Angular.
Missions
Migration of the project toAngular 18.2.0to benefit from the latest features like
signals and input signals. Addition and integration of the latest version of Angular Material
to improve the user interface and visual components.
Participation in the improvement of the code structure and architecture to optimize application performance.
Close collaboration with the backend team on a Java 21 architecture with Spring Boot, particularly on the integration and monitoring of REST APIs.
Technical Environment
Java 8, Spring boot, Spring batch, Spring Security, JUnit, REST API, SOAP, Angular 18, Javascript, NodeJS
Jenkins, Sonar, Git, Nexus

Check out Basseydou's experience

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Amed Hamou

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Audrey Champion

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Signup to reveal

Master MIMATS
UFR TOURS
2011
Mathématique de transmission sécurisées, langage orienté objet, linux gestion de projet
Java Angular
ENI Ecole informatique
2019
Apprentissage de Java 8, Angular 2+,projet de conception de site pour une entreprise de la place

Basseydou Ouattara

Expert | Java | React | Angular | AI Integration

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